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Finding the Third Proportional to 203,759 and 447,856

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Solution

The third proportional to 203,759 and 447,856 is: 984,373.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,759 : 447,856 = 447,856 : x
  2. Step 2: Convert to fraction form
    203,759/447,856 = 447,856/x
  3. Step 3: Cross multiply
    203,759x = 447,856 × 447,856
  4. Step 4: Simplify right side
    203,759x = 200,574,996,736
  5. Step 5: Solve for x
    x = 200,574,996,736/203,759
  6. Step 6: Final answer
    x = 984,373.68

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.